DR. YUMIKO ISHIZAWA MD PHD MPH
NPI 1679555965
Anesthesiology - Critical Care Medicine in Boston, MA

NPI Status: Active since November 14, 2005

Contact Information

55 FRUIT ST
ANESTHESIA ASSOCIATES
BOSTON, MA
ZIP 02114
Phone: (617) 726-3030

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  • Individual
  • Female
  • Years of Experience 41
  • Anesthesiology
  • Critical Care Medicine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About YUMIKO ISHIZAWA

This page provides the complete NPI Profile along with additional information for Yumiko Ishizawa, a provider established in Boston, Massachusetts with a medical specialization in Anesthesiology, focusing in critical care medicine and more than 41 years of experience. The healthcare provider is registered in the NPI registry with number 1679555965 assigned on November 2005. The practitioner's primary taxonomy code is 207LC0200X with license number 224094 (MA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1679555965
Provider Name
DR. YUMIKO ISHIZAWA MD PHD MPH
Gender
Female
Entity Type
Individual
Location Address
55 FRUIT ST ANESTHESIA ASSOCIATES BOSTON, MA 02114
Location Phone
(617) 726-3030
Mailing Address
PO BOX 9142 MASS GENERAL PHYSICIAN ORGANIZATION CHARLESTOWN, MA 02129
Mailing Phone
(617) 724-0287
Mailing Fax
Medical School Name
OTHER
Graduation Year
1985
Is Sole Proprietor?
Yes
Enumeration Date
11-14-2005
Last Update Date
07-09-2007
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Anesthesiology Critical Care Medicine

Taxonomy Code
207LC0200X
Type
Allopathic & Osteopathic Physicians
License No.
224094
License State
MA
Taxonomy Description
An anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
2103737MEDICAID (05)MA 
468293OTHER (01)MATUFTS HEALTH PLAN
I32812MEDICARE UPIN (02) 
A38644MEDICARE ID-TYPE UNSPECIFIED (04)MA 
J28831OTHER (01)MABCBS MA

Medicare Participation & PECOS Enrollment Status

Yumiko Ishizawa is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Yumiko Ishizawa is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 8022044932

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20050712001000

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Anesthesia for extensive removal of prostate

Anesthesia is a crucial part of the procedure for extensive removal of a certain gland located in the lower abdomen. It helps ensure you don't feel pain during the procedure. There are two types: general, where you're unconscious, and regional, where only a part of your body is numb.

This service was performed 11 times for 11 patients

Anesthesia for other procedure on lower abdomen

Anesthesia for a lower abdomen procedure involves medication to eliminate pain during surgery. You might be awake but relaxed and pain-free, or you may be completely unconscious. It's administered to ensure comfort and safety throughout the operation.

This service was performed 16 times for 16 patients

Anesthesia for removal of urinary bladder tumors including use of an endoscope

This procedure involves the use of anesthesia to ensure comfort while an endoscope, a thin tube with a light and camera, is used to identify and remove abnormal growths in the bladder. It's a minimally invasive approach to maintain bladder health.

This service was performed 11 times for 11 patients

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Yumiko Ishizawa is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
MASSACHUSETTS GENERAL HOSPITAL55 FRUIT STREET
BOSTON, MA 02114
(617) 724-9725Acute Care Hospitals

Reviews for DR. YUMIKO ISHIZAWA MD PHD MPH

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1679555965, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 7 → 14 → 5 5 → 10 → 1 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 4 + 9 + 1 + 0 + 5 + 1 + 0 + 9 + 1 + 2 + 24 = 65

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1679555965.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Gastroenterology)
55 FRUIT ST
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT ST, WARREN 1220
BOSTON, MA 02114
Internal Medicine (Gastroenterology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine
55 FRUIT ST, 4710B
BOSTON, MA 02114
Thoracic Surgery (Cardiothoracic Vascular Surgery)
55 FRUIT ST, BUL 119
BOSTON, MA 02114
Thoracic Surgery (Cardiothoracic Vascular Surgery)
55 FRUIT ST, MGH, BULFINCH 2
BOSTON, MA 02114
Urology
55 FRUIT ST, GRB 1102
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, CLN 3
BOSTON, MA 02114
Orthopaedic Surgery
55 FRUIT ST, YAW 3E ORTHOPAEDIC ASSOCIATES
BOSTON, MA 02114
Pathology (Anatomic Pathology)
55 FRUIT ST, PATHOLOGY ASSOCIATES WRN 2
BOSTON, MA 02114
Pathology (Anatomic Pathology & Clinical Pathology)
55 FRUIT ST, GRB 5 PATHOLOGY ASSOCIATES
BOSTON, MA 02114
Psychologist
55 FRUIT ST, YAW 6A MASSACHUSSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Internal Medicine (Pulmonary Disease)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology (Pain Medicine)
55 FRUIT ST, CLN 309 ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Internal Medicine (Endocrinology, Diabetes & Metabolism)
55 FRUIT ST, WEL 5
BOSTON, MA 02114
Internal Medicine
55 FRUIT ST, INFECTIOUS DISEASE ASSOCIATES GRJ 504
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT ST, S50 4 MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, CLN 3
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, FND 8 INFECTIOUS DISEASE ASSOCIATES
BOSTON, MA 02114
Anesthesiology (Critical Care Medicine)
55 FRUIT ST, ANESTHESIA ASSOCIATES GRB 406E
BOSTON, MA 02114

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679555965, enumerated as an "individual" on November 14, 2005.

The provider is located at 55 FRUIT ST ANESTHESIA ASSOCIATES BOSTON, MA 02114 and the phone number is (617) 726-3030.

Anesthesiology with taxonomy code 207LC0200X and a focus in Critical Care Medicine.

The provider might be accepting Accepts: Medicare, Medicaid, Tufts Health Plan and Blue. Please consult your insurance carrier or call the provider to verify.

Yumiko Ishizawa is affiliated with: MASSACHUSETTS GENERAL HOSPITAL.